Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
120 lines
3.0 KiB
Plaintext
120 lines
3.0 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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# Kconfig for the kernel's cyclic redundancy check (CRC) library code
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config CRC4
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tristate
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help
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The CRC4 library functions. Select this if your module uses any of
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the functions from <linux/crc4.h>.
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config CRC7
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tristate
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help
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The CRC7 library functions. Select this if your module uses any of
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the functions from <linux/crc7.h>.
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config CRC8
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tristate
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help
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The CRC8 library functions. Select this if your module uses any of
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the functions from <linux/crc8.h>.
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config CRC16
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tristate
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help
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The CRC16 library functions. Select this if your module uses any of
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the functions from <linux/crc16.h>.
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config CRC_CCITT
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tristate
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help
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The CRC-CCITT library functions. Select this if your module uses any
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of the functions from <linux/crc-ccitt.h>.
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config CRC_ITU_T
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tristate
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help
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The CRC-ITU-T library functions. Select this if your module uses
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any of the functions from <linux/crc-itu-t.h>.
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config CRC_T10DIF
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tristate
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help
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The CRC-T10DIF library functions. Select this if your module uses
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any of the functions from <linux/crc-t10dif.h>.
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config CRC_T10DIF_ARCH
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bool
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depends on CRC_T10DIF && CRC_OPTIMIZATIONS
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default y if ARM && KERNEL_MODE_NEON
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default y if ARM64 && KERNEL_MODE_NEON
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default y if PPC64 && ALTIVEC
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default y if RISCV && RISCV_ISA_ZBC
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default y if X86
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config CRC32
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tristate
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select BITREVERSE
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help
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The CRC32 library functions. Select this if your module uses any of
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the functions from <linux/crc32.h> or <linux/crc32c.h>.
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config CRC32_ARCH
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bool
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depends on CRC32 && CRC_OPTIMIZATIONS
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default y if ARM && KERNEL_MODE_NEON
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default y if ARM64
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default y if LOONGARCH
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default y if MIPS && CPU_MIPSR6
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default y if PPC64 && ALTIVEC
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default y if RISCV && RISCV_ISA_ZBC
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default y if S390
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default y if SPARC64
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default y if X86
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config CRC64
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tristate
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help
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The CRC64 library functions. Select this if your module uses any of
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the functions from <linux/crc64.h>.
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config CRC64_ARCH
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bool
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depends on CRC64 && CRC_OPTIMIZATIONS
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default y if RISCV && RISCV_ISA_ZBC && 64BIT
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default y if X86_64
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config CRC_OPTIMIZATIONS
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bool "Enable optimized CRC implementations" if EXPERT
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depends on !UML
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default y
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help
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Disabling this option reduces code size slightly by disabling the
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architecture-optimized implementations of any CRC variants that are
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enabled. CRC checksumming performance may get much slower.
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Keep this enabled unless you're really trying to minimize the size of
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the kernel.
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config CRC_KUNIT_TEST
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tristate "KUnit tests for CRC functions" if !KUNIT_ALL_TESTS
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depends on KUNIT
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default KUNIT_ALL_TESTS
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select CRC7
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select CRC16
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select CRC_T10DIF
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select CRC32
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select CRC64
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help
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Unit tests for the CRC library functions.
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This is intended to help people writing architecture-specific
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optimized versions. If unsure, say N.
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config CRC_BENCHMARK
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bool "Benchmark for the CRC functions"
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depends on CRC_KUNIT_TEST
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help
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Include benchmarks in the KUnit test suite for the CRC functions.
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